was done in the 1990s and you can read of it here: http://www.peteducation.com/article.cfm?cls=11&cat=1292&articleid=522 but that write-up is partly outdated and there is huge amount of work that has been done since then. For example, for two excellent reasons, Lysodren is not used any longer. It tends to too often have extremes in either direction: 1. not working 2. causing atrophy including of the healthy gland with resulting Addisons For a quick find of the most up-to-date adrenal disease info look for posts from AFERRETVET in http://ferrethealth.org/archive/ Sukie (not a vet) Recommended ferret health links: http://pets.groups.yahoo.com/group/ferrethealth/ http://ferrethealth.org/archive/ http://www.afip.org/ferrets/index.html http://www.miamiferret.org/fhc/ http://www.ferretcongress.org/ http://www.trifl.org/index.shtml http://homepage.mac.com/sukie/sukiesferretlinks.html [Posted in FML 5796]